unsubscribe - diagnostics_channel - Node

unsubscribe - diagnostics_channel - Node documentation

function unsubscribe

Usage in Deno

import { unsubscribe } from "node:diagnostics_channel";



unsubscribe(name: string | symbol,
onMessage: ChannelListener,
): boolean

Remove a message handler previously registered to this channel with subscribe.

import diagnostics_channel from 'node:diagnostics_channel';

function onMessage(message, name) {
  // Received data
}

diagnostics_channel.subscribe('my-channel', onMessage);

diagnostics_channel.unsubscribe('my-channel', onMessage);

Parameters



name: string | symbol

The channel name



onMessage: ChannelListener

The previous subscribed handler to remove

Return Type

boolean

true if the handler was found, false otherwise.